| Certain Loans Acquired in Transfer Accounted for as Debt Securities, Accretable Yield | en-US | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Certain Loans Acquired in Transfer Accounted for as Debt Securities, Accretable Yield, Beginning Balance | en-US | http://www.xbrl.org/2003/role/periodStartLabel | http://www.xbrl.org/2003/role/link |
| Certain Loans Acquired in Transfer Accounted for as Debt Securities, Accretable Yield, Ending Balance | en-US | http://www.xbrl.org/2003/role/periodEndLabel | http://www.xbrl.org/2003/role/link |